上 Don't Sleep in Class [Qing Dynasty Class 5, 2020] 上课不要睡觉[清朝2020届5班] by Just a Ninety-Nine Child (九九子罢了) StatusOngoingLength15k WordsChapters14GenreRomanceEraModern EraUpdated3y agoSourceJJWXC Request a translation Stats 5Favorites190Clicks / chapter Tags ThemeOther FanfictionPOVFemale LeadAge13+CampusInfinite FlowPower CoupleSerious Drama Synopsis Plane rectangular coordinate system Intention: None Show more More by this author 江 River Waves Just a Ninety-Nine Child [ [Saki Mu] Just a Ninety-Nine Child